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Liver transplantation and peri- operative changes to renal function


Authors: E. Kieslichová 1;  O. Schück 2;  I. Smrčková 3;  J. Granátová 5;  J. Skibová 1;  D. Merta 1;  P. Trunečka 4
Authors‘ workplace: Klinika anesteziologie, resuscitace a intenzivní péče IKEM Praha, přednostka MU Dr. Eva Kieslichová 1;  Klinika nefrologie IKEM Praha, přednosta prof. MU Dr. Ondřej Viklický, CSc. 2;  Oddělení klinické bio­chemie IKEM Praha, přednosta prof. MU Dr. Antonín Jabor, CSc. 3;  Transplantcentrum IKEM Praha, přednosta prim. MU Dr. Pavel Trunečka, CSc. 4;  Oddělení klinické bio­chemie Fakultní Thomayerovy nemocnice Praha, prim. MU Dr. Zora Hamrlová 5
Published in: Vnitř Lék 2009; 55(12): 1126-1134
Category: Original Contributions

Overview

The aim of the study:
Was to analyze in detail perioperative changes of renal function during orthotopic liver transplantation (OLT) and to identify risk factors, that were associated with the need of renal replacement therapy (RRT) during the first week after liver transplantation. Methods: Prospective study of 50 consecutive patients undergoing OLT was performed. Selected laboratory and clinical parameters were monitored prior to the procedure, after reperfusion, at the end of the procedure, and at 12 hours after the procedure. In the first post‑transplant week, necessity to use RRT in the presence of acute kidney injury was monitored and the analysis of risk factors for the need for RRT was performed. Patient survival, graft function, need for dialysis and selected laboratory parameters were assessed at one year post‑transplant. Results: During OLT, there was an increase in Scr and Surea, which persisted as late as 12 hours post‑transplant. There was a decrease in Ucr and Uurea and an increase in SNa and SK. During the procedure any increase in Scyst were observed, increase the values were recorded 12 hours after surgery. Sbili level decreased. There was a rise in the urinary levels of total protein, albumin and β2-microglobulin. Uprot/ Ucr increased significantly after reperfusion, with a peak after the procedure. At 12 hours after the procedure, there was a decrease in Uprot/ Ucr, but the values were still many times higher than those seen preoperatively. RRT was necessary in 14% cases. Risk factors for acute kidney injury requiring RRT included a higher APACHE score, higher BMI, higher preoperative Scr and Surea, hepatorenal syndrome pretransplant, blood loss and intraoperative hemodynamic instability, postoperative complications and dysfunction of the liver graft. One year after OLT, there was no difference in followed laboratory values between patients requiring postoperative RRT and others; no patient was treated with dialysis. Conclusion: OLT has a major impact on glomerular and tubular renal functions. Our data suggest that patients surviving acute renal injury treated with RRT in the early postoperative period have a high chance of restoring renal function. A sensitive marker of renal injury during OLT seems to be perioperative proteinuria.

Key words:
liver transplantation –  acute kidney injury –  renal replacement therapy


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Labels
Diabetology Endocrinology Internal medicine

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Internal Medicine

Issue 12

2009 Issue 12

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